Fig.3. Immunohistochemical analysis of paraffin-embedded rat lung tissue. 1, Stat1 (phospho Tyr701) 多克隆 Antibody was diluted at 1:200 (4°C, overnight). 2, Sodium citrate pH 6.0 was used for antibody retrieval (>98°C, 20min). 3, secondary antibody was diluted at 1:200 (room temperature, 30min). Negative control was used by secondary antibody only.